12631707 has 20 divisors (see below), whose sum is σ = 20586456. Its totient is φ = 7655040.

The previous prime is 12631699. The next prime is 12631721. The reversal of 12631707 is 70713621.

It is not a de Polignac number, because 12631707 - 2³ = 12631699 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12631747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6198 + ... + 7979.

Almost surely, 2^12631707 is an apocalyptic number.

12631707 is a deficient number, since it is larger than the sum of its proper divisors (7954749).

12631707 is a wasteful number, since it uses less digits than its factorization.

12631707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14200 (or 14191 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 12631707 is about 3554.1112813191. Note that the first 3 decimals coincide. The cubic root of 12631707 is about 232.8917018368.

The spelling of 12631707 in words is "twelve million, six hundred thirty-one thousand, seven hundred seven".